225625010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{4973}}^1$

素因数の和:5342

約数の個数: 32

約数和(自身を含む): 438706800

約数和(自身を除く): 213081790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 4973, 9074, 9946, 22685, 24865, 45370, 49730, 64649, 129298, 323245, 646490, 1735577, 3471154, 8677885, 17355770, 22562501, 45125002, 112812505, 225625010]

約数ペア:

[(1, 225625010), (2, 112812505), (5, 45125002), (10, 22562501), (13, 17355770), (26, 8677885), (65, 3471154), (130, 1735577), (349, 646490), (698, 323245), (1745, 129298), (3490, 64649), (4537, 49730), (4973, 45370), (9074, 24865), (9946, 22685)]